Multiple Choice
One turn of a DNA sequence is comprised of 30% guanine (G). Calculate the approximate number of hydrogens bonds likely to be found within this DNA sequence.
34. Nucleic Acids
DNA Double Helix
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Which scientist is noted for their X-ray diffraction photo of DNA that contributed to the discovery of the DNA double helix structure?
A
Rosalind Franklin
B
James Watson
C
Linus Pauling
D
Francis Crick
Verified step by step guidance1
Identify the context of the problem: The question is about the discovery of the DNA double helix structure, which is a significant event in the field of molecular biology.
Understand the role of X-ray diffraction in this discovery: X-ray diffraction is a technique used to study the structure of molecules. It was crucial in determining the helical structure of DNA.
Recognize the key contributors to the discovery: The main scientists associated with the discovery of the DNA double helix are James Watson, Francis Crick, and Rosalind Franklin.
Focus on the specific contribution of X-ray diffraction: Rosalind Franklin's X-ray diffraction images, particularly Photo 51, provided critical evidence for the helical structure of DNA.
Conclude by identifying the scientist associated with the X-ray diffraction photo: Based on the information, Rosalind Franklin is noted for her X-ray diffraction photo that contributed to the discovery of the DNA double helix structure.
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